64676080

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2357}}^1$

素因数の和:2391

約数の個数: 80

約数和(自身を含む): 175435200

約数和(自身を除く): 110759120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2357, 2744, 3430, 3920, 4714, 5488, 6860, 9428, 11785, 13720, 16499, 18856, 23570, 27440, 32998, 37712, 47140, 65996, 82495, 94280, 115493, 131992, 164990, 188560, 230986, 263984, 329980, 461972, 577465, 659960, 808451, 923944, 1154930, 1319920, 1616902, 1847888, 2309860, 3233804, 4042255, 4619720, 6467608, 8084510, 9239440, 12935216, 16169020, 32338040, 64676080]

約数ペア:

[(1, 64676080), (2, 32338040), (4, 16169020), (5, 12935216), (7, 9239440), (8, 8084510), (10, 6467608), (14, 4619720), (16, 4042255), (20, 3233804), (28, 2309860), (35, 1847888), (40, 1616902), (49, 1319920), (56, 1154930), (70, 923944), (80, 808451), (98, 659960), (112, 577465), (140, 461972), (196, 329980), (245, 263984), (280, 230986), (343, 188560), (392, 164990), (490, 131992), (560, 115493), (686, 94280), (784, 82495), (980, 65996), (1372, 47140), (1715, 37712), (1960, 32998), (2357, 27440), (2744, 23570), (3430, 18856), (3920, 16499), (4714, 13720), (5488, 11785), (6860, 9428)]